Sunspots and active regions
The following active regions with sunspot groups were visible on the Sun on March 25, 2005. Coordinates are given as of the end of the day.
| Group ID | Location | Number of sunspots | Area (msh) | Type | CM Passage | Disappearance (W90) | Reappearance (W270) | |
|---|---|---|---|---|---|---|---|---|
| № 746 | S11 | W06 | 06 | 0040 | Beta | Mar 26, 2005 | Apr 1, 2005 | Apr 15, 2005 |
| № 745 | N12 | E15 | 20 | 0100 | Beta | Mar 27, 2005 | Apr 3, 2005 | Apr 17, 2005 |
| № 744 | S13 | W53 | 01 | 0030 | Alpha | Mar 22, 2005 | Mar 29, 2005 | Apr 11, 2005 |
Solar cycle progression
The average monthly sunspot number (SSN) from January 1976 to March 2005. The gray background is the average SSN index.
